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Old 05-19-2014, 03:17 PM   #1
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Tire pressure says 80psi

Am I reading the tire correctly? I have a 2005 Cruiser 28ft TT and the tires say max pressure when cold 80 psi. That sounds really high. When I checked the 4 tires, they were all set at 60psi. We bought this used last October and are taking our first trip this Thursday. Thanks
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Old 05-19-2014, 03:21 PM   #2
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What size tires are on it? If they are E rated I believe it.
Somebody more then likely changed out the stock tires if that's the case.
Hopefully they changed the rims at the same time.
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Old 05-19-2014, 03:45 PM   #3
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I have an 08 with 15 d rated 65 psi should be a label on the front drivers side with the tire pressure info
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Old 05-19-2014, 04:48 PM   #4
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I just went out and looked. They look really new to me and it does say Rated "E" and max cold inflation is 80 psi. Should I do it that high or stay with 60 or 65psi? They are 15 inch tires. Thanks again
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Old 05-19-2014, 06:17 PM   #5
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I have e rated tires on my PP and the max pressure cold is 80 psi. When I am on a trip they are pumped to 80 on both the trailer and the truck. The side panel on the truck recommends a lower pressure but have had no problems with them at 80. Now that being said temperature changes pressure the most. I am guessing 80psi at 60 degrees so I would be sure to check them first thing in the morning when it is the coolest.
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Old 05-19-2014, 07:26 PM   #6
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I just went out and looked. They look really new to me and it does say Rated "E" and max cold inflation is 80 psi. Should I do it that high or stay with 60 or 65psi? They are 15 inch tires. Thanks again

What does your trailer weigh? I can't believe you will be any where close to the max on those tires.
You should also crawl under it and see what is stamped on your rims for pressure rating. If they aren't 80# rims I sure wouldn't pump the tires up to 80#.
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Old 05-19-2014, 07:37 PM   #7
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my cruiser weighs 5800 lbs
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Old 05-19-2014, 07:44 PM   #8
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If that's all you weigh, I think the 60 to65# is right.
Mine weighs between 6500 and 7000 and I run 65# in my 15 in. E rated tires.
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Old 05-19-2014, 08:52 PM   #9
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What does your trailer weigh? I can't believe you will be any where close to the max on those tires.
You should also crawl under it and see what is stamped on your rims for pressure rating. If they aren't 80# rims I sure wouldn't pump the tires up to 80#.
Lloyd is right. While Load Range E tires should be run at 80 psi for best wear and less heating, if the rims are not rated for 80 psi, it could be dangerous to run them that high. If you do find that the rims will take it, I would run them at 75 to 80 psi. Underinflation is one of the leading causes of premature tire failure.
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Old 05-19-2014, 09:59 PM   #10
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If that's all you weigh, I think the 60 to65# is right.
Mine weighs between 6500 and 7000 and I run 65# in my 15 in. E rated tires.
Dry weight for a CF26RK is 6600. When you have all your stuff in the trailer ready to go it will be much heavier. Put it on the scales someday and I suspect you will be in for a surprise.
My 2010 CF26RK runs about 10,145 when the wife has everything she wants loaded and I have the propane tanks and fresh water tank full.

Each axle runs 3940 which runs close for D rated tires. Have a flat and the other tire is then grossly overloaded.

That is why I went with E tires at 80 psi.
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